Loud speaker



FIG. 1 is a front elevational view of a loud speaker showing our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view; and

FIG. 5 is a bottom plan view thereof.

The ornamental design for a loud speaker, as shown and described. 